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sample ipython notebook with a simple ES query
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jeffbryner committed Jan 28, 2015
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131 changes: 131 additions & 0 deletions examples/queries/ES Sample Queries.ipynb
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{
"metadata": {
"name": ""
},
"nbformat": 3,
"nbformat_minor": 0,
"worksheets": [
{
"cells": [
{
"cell_type": "code",
"collapsed": false,
"input": [
"import pyes\n",
"from pyes.es import ES\n",
"import pytz\n",
"from datetime import datetime\n",
"from dateutil.parser import parse\n",
"from datetime import timedelta\n",
"import json"
],
"language": "python",
"metadata": {},
"outputs": [],
"prompt_number": 1
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#change the default if you are not in Pacific time\n",
"#and want to use dates like 'today 8am'\n",
"def toUTC(suspectedDate,localTimeZone=\"US/Pacific\"):\n",
" '''make a UTC date out of almost anything'''\n",
" utc=pytz.UTC\n",
" objDate=None\n",
" if type(suspectedDate)==str:\n",
" objDate=parse(suspectedDate,fuzzy=True)\n",
" elif type(suspectedDate)==datetime:\n",
" objDate=suspectedDate\n",
" \n",
" if objDate.tzinfo is None:\n",
" objDate=pytz.timezone(localTimeZone).localize(objDate)\n",
" objDate=utc.normalize(objDate)\n",
" else:\n",
" objDate=utc.normalize(objDate)\n",
" if objDate is not None:\n",
" objDate=utc.normalize(objDate)\n",
" \n",
" return objDate"
],
"language": "python",
"metadata": {},
"outputs": [],
"prompt_number": 2
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#Set this to one of your ES servers:\n",
"es=ES((\"http\", \"servername.goes.here\", 9200))\n",
"\n",
"#set a date range\n",
"begindateUTC=toUTC(datetime.now() - timedelta(minutes=15))\n",
"enddateUTC= toUTC(datetime.now())\n",
"qDate = pyes.RangeQuery(qrange=pyes.ESRange('utctimestamp', from_value=begindateUTC, to_value=enddateUTC))\n",
"\n",
"#set up some criteria (Queries are less usefull than filters)\n",
"q = pyes.ConstantScoreQuery(pyes.MatchAllQuery())\n",
"\n",
"#add as many 'must, must_not, should' criteria filters as you need\n",
"#to get the data you want\n",
"q = pyes.FilteredQuery(q,\n",
" pyes.BoolFilter(\n",
" must=[qDate,\n",
" pyes.TermFilter('_type', 'mozdefstats')\n",
" ]\n",
" must_not=[],\n",
" should=[]\n",
" )\n",
" )\n",
"\n",
"#in mozdef, events and events-previous\n",
"#are aliases to the current day and previous day\n",
"results=es.search(query=q,size=100,indices=['events','events-previous'])\n",
"\n",
"#how many docs were found? \n",
"print(results.count())\n"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"15\n"
]
}
],
"prompt_number": 3
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#pyes has a iteration bug where \n",
"#walking the results pops the results from the collection\n",
"#so easiest way to capture results is _search_raw()\n",
"#which gives you the raw ES json\n",
"rawresults=results._search_raw()"
],
"language": "python",
"metadata": {},
"outputs": [],
"prompt_number": 5
},
{
"cell_type": "code",
"collapsed": false,
"input": [],
"language": "python",
"metadata": {},
"outputs": []
}
],
"metadata": {}
}
]
}

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